Display screen with a graphical user interface



The sole FIGURE is a front view of a display screen with graphical user interface of the new design.

The outermost broken lines in the FIGURE show a display screen and form no part of the claimed design. The other broken lines in the FIGURE show portions of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 